docs: def load(self):
          """
          Load all configurations from available resources, skip if empty:
  
              1. :attr:`default`` dict passed to :func:`ConfigLoad.__init__`.
              2. Custom paths as defined in :attr:`CONFS_PATH` in
                  :class:`~lago.constants`.
              3. XDG standard paths.
              4. Environment variables.
  
          Returns:
              dict: dict of dicts.
  
          """
  
          configp = configparser.ConfigParser()
          configp.read_dict(self._defaults)
          for path in _get_configs_path():
              try:
                  with open(path, 'r') as config_file:
                      configp.read_file(config_file)
              except IOError:
                  pass
          configp.read_dict(get_env_dict(self.root_section))
          return {s: dict(configp.items(s)) for s in configp.sections()}